9898944 has 112 divisors (see below), whose sum is σ = 29504640. Its totient is φ = 2903040.

The previous prime is 9898921. The next prime is 9898979. The reversal of 9898944 is 4498989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90762 + ... + 90870.

Almost surely, 2^9898944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9898944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14752320).

9898944 is an abundant number, since it is smaller than the sum of its proper divisors (19605696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9898944 is a wasteful number, since it uses less digits than its factorization.

9898944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 168 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 9898944 is about 3146.2587306196. The cubic root of 9898944 is about 214.7152820378.

The spelling of 9898944 in words is "nine million, eight hundred ninety-eight thousand, nine hundred forty-four".